package main
import (
	"fmt"
)

func main(){
	var age int = 29;
	var name string = "Ryan"
	fmt.Println(name,"'s age is ",age);
	var a int = -8900
	fmt.Println("a =",a)
	var b byte = 255 //byte 等价 int8 rune 等价 int32
	fmt.Println("b =",b)
}